TY  - JOUR
AU  - S. S. Lapushkin
TI  - Particle-like excitations in the $X$--$Y$ model with external action of impulse type
JO  - Doklady Akademii Nauk
PY  - 1990
SP  - 63
EP  - 65
VL  - 310
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1990_310_1_a14/
LA  - ru
ID  - DAN_1990_310_1_a14
ER  -